Mahabharata 3.185.21

गङ्गायां हि न शक्नोमि बृहत्त्वाच्चेष्टितुं प्रभोसमुद्रं नय मामाशु प्रसीद भगवन्निति

gaṅgāyāṃ hi na śaknomi bṛhattvācceṣṭituṃ prabhosamudraṃ naya māmāśu prasīda bhagavanniti

Our plain-language meaning of this verse is waiting for scholar review.